sys/arch/alpha/include/sysarch.h

   1 /* $NetBSD: sysarch.h,v 1.12 2007/03/04 05:59:11 christos Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #ifndef _ALPHA_SYSARCH_H_
  33 #define _ALPHA_SYSARCH_H_
  34
  35 #include <machine/bus.h>
  36 #include <machine/ieeefp.h>
  37
  38 /*
  39  * Architecture specific syscalls (ALPHA)
  40  */
  41
  42 #define ALPHA_FPGETMASK                 0
  43 #define ALPHA_FPSETMASK                 1
  44 #define ALPHA_FPSETSTICKY               2
  45 #define ALPHA_BUS_GET_WINDOW_COUNT      3
  46 #define ALPHA_BUS_GET_WINDOW            4
  47 #define ALPHA_PCI_CONF_READWRITE        5
  48 #define ALPHA_FPGETSTICKY               6
  49 #define ALPHA_GET_FP_C                  7
  50 #define ALPHA_SET_FP_C                  8
  51
  52 struct alpha_fp_except_args {
  53         fp_except mask;
  54 };
  55
  56 struct alpha_fp_c_args {
  57         uint64_t fp_c;
  58 };
  59
  60 struct alpha_bus_get_window_count_args {
  61         u_int type;
  62         u_int count;    /* output */
  63 };
  64
  65 struct alpha_bus_get_window_args {
  66         u_int type;
  67         u_int window;
  68         struct alpha_bus_space_translation *translation; /* output */
  69 };
  70
  71 #define ALPHA_BUS_TYPE_PCI_IO           0
  72 #define ALPHA_BUS_TYPE_PCI_MEM          1
  73 #define ALPHA_BUS_TYPE_MAX              1
  74
  75 struct alpha_pci_conf_readwrite_args {
  76         int write;
  77         u_int bus;
  78         u_int device;
  79         u_int function;
  80         u_int reg;
  81         u_int32_t val;
  82 };
  83
  84 #ifdef _KERNEL
  85 extern  u_int alpha_bus_window_count[];
  86 extern  int (*alpha_bus_get_window)(int, int,
  87             struct alpha_bus_space_translation *);
  88 extern  struct alpha_pci_chipset *alpha_pci_chipset;
  89 #else
  90 #include <sys/cdefs.h>
  91
  92 struct alpha_bus_window {
  93         void *          abw_addr;
  94         size_t          abw_size;
  95         struct alpha_bus_space_translation abw_abst;
  96 };
  97
  98 __BEGIN_DECLS
  99 int     alpha_bus_getwindows(int, struct alpha_bus_window **);
 100 int     alpha_bus_mapwindow(struct alpha_bus_window *);
 101 void    alpha_bus_unmapwindow(struct alpha_bus_window *);
 102
 103 void    *alpha_pci_mem_map(bus_addr_t, bus_size_t, int,
 104             struct alpha_bus_space_translation *);
 105 void    alpha_pci_mem_unmap(struct alpha_bus_space_translation *,
 106             void *addr, bus_size_t);
 107
 108 u_int32_t alpha_pci_conf_read(u_int, u_int, u_int, u_int);
 109 void    alpha_pci_conf_write(u_int, u_int, u_int, u_int, u_int32_t);
 110
 111 int     sysarch(int, void *);
 112 __END_DECLS
 113 #endif /* _KERNEL */
 114
 115 #endif /* !_ALPHA_SYSARCH_H_ */